SEOUL, Nov. 21 (Yonhap) -- A cargo ship carrying 21 crewmen, including nine South Korean sailors, is presumed to have sunken in the South China Sea earlier in the day, Seoul's foreign ministry said Monday.
According to the ministry, the 15,000-ton ship lost contact after leaving Penang, Malaysia.
Hong Kong and Vietnam maritime police rescued four crewmen, the ministry said.
"The ship is presumed to have sunken... we are closely cooperating with Hong Kong and Vietnam maritime police for search of the other crewmen," said an official at the ministry.
